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316886128 = 24131523491
BaseRepresentation
bin10010111000110…
…100110001110000
3211002021111001021
4102320310301300
51122110324003
651235545224
710565326156
oct2270646160
9732244037
10316886128
11152968269
128a15b214
1350860ab0
143012b3d6
151cc472bd
hex12e34c70

316886128 has 20 divisors (see below), whose sum is σ = 661195528. Its totient is φ = 146255040.

The previous prime is 316886117. The next prime is 316886147. The reversal of 316886128 is 821688613.

It is a super-4 number, since 4×3168861284 (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761538 + ... + 761953.

Almost surely, 2316886128 is an apocalyptic number.

It is an amenable number.

316886128 is an abundant number, since it is smaller than the sum of its proper divisors (344309400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316886128 is a wasteful number, since it uses less digits than its factorization.

316886128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523512 (or 1523506 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 316886128 is about 17801.2956831799. The cubic root of 316886128 is about 681.7645406247.

The spelling of 316886128 in words is "three hundred sixteen million, eight hundred eighty-six thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 1523491 3046982 6093964 12187928 19805383 24375856 39610766 79221532 158443064 316886128